24General Radio Features Operation (cont.)
Emergency Operation (cont.)
Sending an Emergency Alarm
1.Press and hold the emergency button (the length of button press is RSS programmable) until the LED lights solid red and the display alternates between showing “EMERGENCY” and the current zone and mode. A short,
2.When the trunked emergency alarm is acknowledged by the central controller, the radio sounds four beeps and the alarm ends. The radio returns to normal operation or, if enabled in your radio (trunked emergency call systems only), enters at step 3 of “Sending an Emergency Call.” While in emergency call operation, subsequent presses of the emergency button will reinitiate the emergency silence sequence.
Unmute Option - With this option enabled, the radio will unmute to all voice activity on the emergency channel. If disabled, the radio will operate as normal, muting all voice activity on the emergency channel until the emergency alarm is cancelled. This option is RSS programmable.
Sending a Silent Emergency Alarm
In radios with the silent emergency alarm option enabled, pressing the emergency button sends an emergency signal to the dispatcher. During the emergency alarm procedure: the LED will not light, tones will not be heard, and the display will not change.
The audio will be muted (turned off), and will remain so until you exit the emergency state.
Cancelling an Emergency Alarm
Press the emergency button for more than 1 1/2 seconds (programmable); a
The alarm will also be cancelled (without
•pressing the PTT switch (see the note below),
•turning the radio off, or
•receiving an acknowledge from the dispatcher.
Note: Pressing the PTT switch while the radio is in emergency alarm operation will place the radio in emergency call operation if emergency call is enabled. (see step 3 of “Sending an Emergency Call”).
